Southwest – Southwest Forests Frogs SW Forests Image copyright WA Museum The cool, wet forests of the 'southwest corner' have the highest diversity of frogs with over 20 species. Among them are ancient species with peculiar breeding biologies (e.g., Forest Toadlet, Roseate Frog). Six species are endemic to this cold wet region of Western Australia. This area contains 3 of WA's most threatened frogs (the White and Orange-bellied Frogs and the Sunset Frog). Frogs of the Southwest Forests region Bleating Froglet Crinia pseudinsignifera Crawling Toadlet Pseudophryne guentheri Forest Toadlet Metacrinia nichollsi Humming Frog Neobatrachus pelobatoides Moaning Frog Heleioporus eyrei Motorbike Frog Litoria moorei Orange-bellied Frog Geocrinia vittelina Quacking Frog Crinia georgiana Rattling or Clicking Froglet Crinia glauerti Roseate Frog Geocrinia rosea more ‹ Southwest – Darling Ranges Frogs Southwest – Wheat Belt Frogs ›